CA1280523C - Circuits de traitement de signaux - Google Patents

Circuits de traitement de signaux

Info

Publication number
CA1280523C
CA1280523C CA000529066A CA529066A CA1280523C CA 1280523 C CA1280523 C CA 1280523C CA 000529066 A CA000529066 A CA 000529066A CA 529066 A CA529066 A CA 529066A CA 1280523 C CA1280523 C CA 1280523C
Authority
CA
Canada
Prior art keywords
output
signal
circuit
delay
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000529066A
Other languages
English (en)
Inventor
John Trett
Peter F. Bradbeer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Formula Systems Ltd
Original Assignee
Formula Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Formula Systems Ltd filed Critical Formula Systems Ltd
Application granted granted Critical
Publication of CA1280523C publication Critical patent/CA1280523C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors

Landscapes

  • Optical Communication System (AREA)
  • Amplifiers (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Communication Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Burglar Alarm Systems (AREA)
  • Details Of Television Scanning (AREA)
CA000529066A 1986-02-06 1987-02-05 Circuits de traitement de signaux Expired - Lifetime CA1280523C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8602961 1986-02-06
GB8602961A GB2186374B (en) 1986-02-06 1986-02-06 Signal compensation circuits

Publications (1)

Publication Number Publication Date
CA1280523C true CA1280523C (fr) 1991-02-19

Family

ID=10592630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000529066A Expired - Lifetime CA1280523C (fr) 1986-02-06 1987-02-05 Circuits de traitement de signaux

Country Status (11)

Country Link
US (1) US4839605A (fr)
EP (2) EP0234775B1 (fr)
JP (1) JPS63502423A (fr)
AT (1) ATE71324T1 (fr)
AU (1) AU590679B2 (fr)
CA (1) CA1280523C (fr)
DE (1) DE3775788D1 (fr)
GB (1) GB2186374B (fr)
NZ (1) NZ219044A (fr)
PH (1) PH24777A (fr)
WO (1) WO1987004691A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8527277D0 (en) * 1985-11-06 1985-12-11 Formula Systems Ltd Proximity detector
GB2243217A (en) * 1990-04-20 1991-10-23 Formula Systems Ltd Proximity detector for use on doors
US5239400A (en) * 1991-07-10 1993-08-24 The Arizona Board Of Regents Technique for accurate carrier frequency generation in of DM system
US5274273A (en) * 1992-01-31 1993-12-28 Sperry Marine Inc. Method and apparatus for establishing a threshold with the use of a delay line
US6921897B1 (en) * 2000-09-21 2005-07-26 Lockheed Martin Corporation Circuit and method for varying the integration time of moving charges from a photodetector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214700A (en) * 1961-03-17 1965-10-26 Trw Inc Variable threshold signal detection system
US3463939A (en) * 1966-02-10 1969-08-26 Nasa Pulsed differential comparator circuit
DE2052989C3 (de) * 1970-10-30 1973-11-08 Guenther Dipl.-Ing. 2209 Sushoern Weber Durch einen oder mehrere sich be wegende Gegenstande auslosbares Schalt gerat
US4017742A (en) * 1975-03-28 1977-04-12 The Bendix Corporation Multiple input, multiple failure operational voter circuit
US4349858A (en) * 1980-09-04 1982-09-14 Elevator Gmbh Control circuit for use with an electronic guard strip

Also Published As

Publication number Publication date
AU6932687A (en) 1987-08-25
DE3775788D1 (de) 1992-02-20
US4839605A (en) 1989-06-13
GB8602961D0 (en) 1986-03-12
EP0234775A1 (fr) 1987-09-02
PH24777A (en) 1990-10-30
AU590679B2 (en) 1989-11-09
EP0257055A1 (fr) 1988-03-02
EP0234775B1 (fr) 1992-01-08
WO1987004691A1 (fr) 1987-08-13
JPS63502423A (ja) 1988-09-14
ATE71324T1 (de) 1992-01-15
NZ219044A (en) 1989-02-24
GB2186374A (en) 1987-08-12
GB2186374B (en) 1990-04-18

Similar Documents

Publication Publication Date Title
JPH0754335B2 (ja) ピーク値検出回路
KR930011422B1 (ko) 고장 검출장치
CA1280523C (fr) Circuits de traitement de signaux
US4660140A (en) Control arrangement for a vehicle seat adjusting mechanism having a self checking, reduced terminal, microcomputer
CA1094667A (fr) Actionneurs a securite intrinseque a vitesse limite variable
AU9131191A (en) Method and apparatus for testing a dual airbag passive restraint system
CA2085528C (fr) Circuit de mesure de constante de temps et circuit de reglage de constante de temps
US5337039A (en) Proximity detection system with digital frequency variation detection means
US5394035A (en) Rate of change comparator
US4261440A (en) Automatically compensating object detection circuit
AU1752692A (en) Method and apparatus for testing an airbag restraint system with parallel sensors
EP0669604A1 (fr) Circuit de détection infrarouge et de commutation
US6067026A (en) Sensor apparatus
US5977717A (en) Logic lighting control system
SU1674058A1 (ru) Релейно-импульсный регул тор
GB2207307A (en) Fail-safe monitoring circuit
CA2098026A1 (fr) Dispositif de commande pour convertisseurs a thyristors
EP1902998A1 (fr) Système de sécurité
JPS60121107A (ja) 車高制御方法
SU1506534A1 (ru) Компаратор
KR20230023786A (ko) 안전 장비 제어 장치 및 체계
SU813456A2 (ru) Аналого-цифровой интегратор
SU1028590A1 (ru) Устройство контрол скорости движени подъемника
SU1459841A1 (ru) Устройство дл сварки
SU828442A1 (ru) Регул тор мощности многофазнойРудНОТЕРМичЕСКОй элЕКТРОпЕчи

Legal Events

Date Code Title Description
MKLA Lapsed